IPFW_MBUF_XLATINS
m->m_pkthdr.fw_flags |= IPFW_MBUF_XLATINS;
if (m->m_pkthdr.fw_flags & IPFW_MBUF_XLATINS) {
m->m_pkthdr.fw_flags &= ~IPFW_MBUF_XLATINS;
(IPFW_MBUF_XLATINS | IPFW_MBUF_XLATFWD)) == 0);